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EP4056586A4 - Epitope of regulatory t cell surface antigen, and antibody specifically binding thereto - Google Patents

Epitope of regulatory t cell surface antigen, and antibody specifically binding thereto Download PDF

Info

Publication number
EP4056586A4
EP4056586A4 EP20885858.9A EP20885858A EP4056586A4 EP 4056586 A4 EP4056586 A4 EP 4056586A4 EP 20885858 A EP20885858 A EP 20885858A EP 4056586 A4 EP4056586 A4 EP 4056586A4
Authority
EP
European Patent Office
Prior art keywords
epitope
regulatory
cell surface
specifically binding
surface antigen
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20885858.9A
Other languages
German (de)
French (fr)
Other versions
EP4056586A1 (en
Inventor
Jung Ho Kim
Beom Seok Kim
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Good T Cells Inc
Original Assignee
Good T Cells Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Good T Cells Inc filed Critical Good T Cells Inc
Publication of EP4056586A1 publication Critical patent/EP4056586A1/en
Publication of EP4056586A4 publication Critical patent/EP4056586A4/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K39/0005—Vertebrate antigens
    • A61K39/0011—Cancer antigens
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K39/395—Antibodies; Immunoglobulins; Immune serum, e.g. antilymphocytic serum
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K47/00—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient
    • A61K47/50—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
    • A61K47/51—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent
    • A61K47/68—Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additives; Targeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
    • A61K47/6801—Drug-antibody or immunoglobulin conjugates defined by the pharmacologically or therapeutically active agent
    • A61K47/6803—Drugs conjugated to an antibody or immunoglobulin, e.g. cisplatin-antibody conjugates
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P25/00—Drugs for disorders of the nervous system
    • A61P25/28—Drugs for disorders of the nervous system for treating neurodegenerative disorders of the central nervous system, e.g. nootropic agents, cognition enhancers, drugs for treating Alzheimer's disease or other forms of dementia
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P35/00—Antineoplastic agents
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P37/00—Drugs for immunological or allergic disorders
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
    • C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
    • C07K14/705—Receptors; Cell surface antigens; Cell surface determinants
    • C07K14/70503—Immunoglobulin superfamily
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K16/00—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
    • C07K16/18—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans
    • C07K16/28—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
    • C07K16/2803—Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants against the immunoglobulin superfamily
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K39/00—Medicinal preparations containing antigens or antibodies
    • A61K2039/505—Medicinal preparations containing antigens or antibodies comprising antibodies
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/20—Immunoglobulins specific features characterized by taxonomic origin
    • C07K2317/21—Immunoglobulins specific features characterized by taxonomic origin from primates, e.g. man
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/30—Immunoglobulins specific features characterized by aspects of specificity or valency
    • C07K2317/34—Identification of a linear epitope shorter than 20 amino acid residues or of a conformational epitope defined by amino acid residues
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/60—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments
    • C07K2317/62—Immunoglobulins specific features characterized by non-natural combinations of immunoglobulin fragments comprising only variable region components
    • C07K2317/622—Single chain antibody (scFv)
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/70—Immunoglobulins specific features characterized by effect upon binding to a cell or to an antigen
    • C07K2317/76—Antagonist effect on antigen, e.g. neutralization or inhibition of binding
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07K—PEPTIDES
    • C07K2317/00—Immunoglobulins specific features
    • C07K2317/90—Immunoglobulins specific features characterized by (pharmaco)kinetic aspects or by stability of the immunoglobulin
    • C07K2317/92—Affinity (KD), association rate (Ka), dissociation rate (Kd) or EC50 value

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Organic Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Engineering & Computer Science (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Animal Behavior & Ethology (AREA)
  • Public Health (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Veterinary Medicine (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Biomedical Technology (AREA)
  • Neurology (AREA)
  • Neurosurgery (AREA)
  • Molecular Biology (AREA)
  • Genetics & Genomics (AREA)
  • Biophysics (AREA)
  • Biochemistry (AREA)
  • Proteomics, Peptides & Aminoacids (AREA)
  • Epidemiology (AREA)
  • Microbiology (AREA)
  • Mycology (AREA)
  • Hospice & Palliative Care (AREA)
  • Psychiatry (AREA)
  • Oncology (AREA)
  • Cell Biology (AREA)
  • Toxicology (AREA)
  • Zoology (AREA)
  • Gastroenterology & Hepatology (AREA)
  • Peptides Or Proteins (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Medicinal Preparation (AREA)
EP20885858.9A 2019-11-08 2020-11-09 Epitope of regulatory t cell surface antigen, and antibody specifically binding thereto Pending EP4056586A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20190142251 2019-11-08
PCT/KR2020/015656 WO2021091359A1 (en) 2019-11-08 2020-11-09 Epitope of regulatory t cell surface antigen, and antibody specifically binding thereto

Publications (2)

Publication Number Publication Date
EP4056586A1 EP4056586A1 (en) 2022-09-14
EP4056586A4 true EP4056586A4 (en) 2024-04-10

Family

ID=75848106

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20885858.9A Pending EP4056586A4 (en) 2019-11-08 2020-11-09 Epitope of regulatory t cell surface antigen, and antibody specifically binding thereto

Country Status (8)

Country Link
EP (1) EP4056586A4 (en)
JP (1) JP2023500248A (en)
KR (1) KR102488967B1 (en)
CN (1) CN114929733A (en)
AU (1) AU2020380072A1 (en)
BR (1) BR112022008730A2 (en)
CA (1) CA3156600A1 (en)
WO (1) WO2021091359A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020080853A1 (en) * 2018-10-17 2020-04-23 주식회사 굳티셀 Binding molecule specific to lrig-1 protein, and use thereof
EP4375670A1 (en) * 2021-07-16 2024-05-29 Good T Cells, Inc. Epitope of regulatory t cell surface antigen, and antibody specifically binding thereto
TW202330911A (en) * 2021-11-24 2023-08-01 日商雷格細胞股份有限公司 Human inducibility controllable t-cell and method for preparing same
KR20240115192A (en) * 2023-01-17 2024-07-25 주식회사 굳티셀 Regulatory T cell surface antigen and an antibody specifically binding to the epitope thereof
WO2024191142A1 (en) * 2023-03-10 2024-09-19 주식회사 굳티셀 Epitope of regulatory t cell surface antigen, and antibody specifically binding thereto

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018194381A1 (en) * 2017-04-18 2018-10-25 주식회사 굳티셀 Binding molecule specific for lrig-1 protein and use thereof
WO2019165233A1 (en) * 2018-02-23 2019-08-29 Immutics, Inc. Treating cancer by blocking the interaction of vista and its binding partner

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20180116924A (en) * 2017-04-18 2018-10-26 주식회사 굳티셀 A polypeptide epitope of extracellular protein of immune cell
KR20180116925A (en) * 2017-04-18 2018-10-26 주식회사 굳티셀 Pharmaceutical composition for preventing and treating cancer or immune disease
KR101959237B1 (en) * 2018-02-26 2019-03-20 주식회사 굳티셀 Use of a novel transmembrane protein of Lrig-1 in a regulatory T cell
CN112041333B (en) * 2018-04-26 2024-06-28 古德T细胞有限公司 Novel fusion protein and pharmaceutical composition containing the fusion protein for preventing or treating cancer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018194381A1 (en) * 2017-04-18 2018-10-25 주식회사 굳티셀 Binding molecule specific for lrig-1 protein and use thereof
WO2019165233A1 (en) * 2018-02-23 2019-08-29 Immutics, Inc. Treating cancer by blocking the interaction of vista and its binding partner

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
POULIN EMILY J. ET AL: "Using a new Lrig1 reporter mouse to assess differences between two Lrig1 antibodies in the intestine", STEM CELL RESEARCH, vol. 13, no. 3, 1 November 2014 (2014-11-01), NL, pages 422 - 430, XP055928626, ISSN: 1873-5061, DOI: 10.1016/j.scr.2014.09.002 *
See also references of WO2021091359A1 *
YUTAKA SUZUKI ET AL: "Targeted disruption of LIG-1 gene results in psoriasiform epidermal hyperplasia 1", FEBS LETTERS, ELSEVIER, AMSTERDAM, NL, vol. 521, 31 May 2002 (2002-05-31), pages 67 - 71, XP071243247, ISSN: 0014-5793, DOI: 10.1016/S0014-5793(02)02824-7 *

Also Published As

Publication number Publication date
CN114929733A (en) 2022-08-19
JP2023500248A (en) 2023-01-05
EP4056586A1 (en) 2022-09-14
WO2021091359A1 (en) 2021-05-14
KR102488967B1 (en) 2023-01-16
KR20210056280A (en) 2021-05-18
BR112022008730A2 (en) 2022-07-19
CA3156600A1 (en) 2021-05-14
AU2020380072A1 (en) 2022-05-19

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DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: A61K 39/00 20060101ALI20231120BHEP

Ipc: A61P 35/00 20060101ALI20231120BHEP

Ipc: A61K 47/68 20170101ALI20231120BHEP

Ipc: C07K 16/28 20060101ALI20231120BHEP

Ipc: C07K 14/705 20060101AFI20231120BHEP

A4 Supplementary search report drawn up and despatched

Effective date: 20240307

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Ipc: C07K 16/28 20060101ALI20240301BHEP

Ipc: C07K 14/705 20060101AFI20240301BHEP